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add math::lgamma

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This commit is contained in:
bolero-MURAKAMI 2013-04-23 19:03:03 +09:00
parent a55c430f09
commit 5f40808f75
58 changed files with 323 additions and 116 deletions
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sprout/math/atanh.hpp
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@ -21,7 +21,7 @@ namespace sprout {
: x == 1 ? std::numeric_limits<FloatType>::infinity()
: x == -1 ? -std::numeric_limits<FloatType>::infinity()
: x > 1 || x < -1 ? std::numeric_limits<FloatType>::quiet_NaN()
: sprout::math::log((1 + x) / (1 - x)) / 2
: sprout::log((1 + x) / (1 - x)) / 2
;
}